"On this day of national mourning, we have decided to cancel tonight’s scheduled red carpet premiere of Marshall,"the statement from Open Road president of publicity Liz Biber read.

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"Instead, tonight's event will be a private screening of the film for the cast, filmmakers and invited guests. Our thoughts are with the the victims of the tragedy in Las Vegas, their families and all of those affected."

Also on Monday, Dancing with the Stars planned to open the live show with a moment of silence "in honor of the victims of the mass shooting that occurred last night in Las Vegas, Nevada," according to a release from ABC.

The CW also pushed the iHeartRadio Music Festival off its schedule this week.

"Out of respect to the victims of last Sunday’s terrible tragedy in Las Vegas and their families, The CW Network and iHeartMedia will be postponing this week's TV broadcast of the iHeartRadio Music Festival," read a joint statement from the network and iHeartMedia. "New broadcast dates will be announced at a later time."